公开(公告)号：US5142177A

公开(公告)日：1992-08-25

申请号：US339709

申请日：1989-04-18

申请人： Toshiro Higuchi ,  Takeshi Sawamoto ,  Hiromasa Fukuyama ,  Takeshi Takizawa

发明人： Toshiro Higuchi ,  Takeshi Sawamoto ,  Hiromasa Fukuyama ,  Takeshi Takizawa

IPC分类号： F16C25/08 ,  F16C35/077 ,  F16C39/06

CPC分类号： F16C32/0444 ,  F16C27/00 ,  F16C32/0474

摘要： A bearing unit comprising a rotating body, a rotating shaft and a bearing, wherein there is provided a construction with a plurality of electromagnetic poles is arranged, together with a plurality of sensors for detecting the run-out of the rotating shaft, and also comprises a control circuit for controlling the intensity of a magnetic force according to a detection output of these sensors, thereby controlling the bearing unit so that vibration and run-out of the rotating body due to inbalance thereof are effectively suppressed while making the unit to revolve around the principle axis of shape.

摘要翻译： 一种包括旋转体，旋转轴和轴承的轴承单元，其中提供具有多个电磁极的结构以及用于检测旋转轴的跳动的多个传感器，并且还包括 根据这些传感器的检测输出来控制磁力强度的控制电路，由此控制轴承单元，从而在使单元旋转的同时有效地抑制由于其不平衡而导致的旋转体的振动和跳动 主轴形状。